Code-3 Excalibur User Manual download pdf (Page 20)

STROBE OPTION

TROUBLESHOOTING GUIDE

PROBLEM

Light heads do not

fire.

Only front strobes

flash.

Led module

won't Dim

CAUSE

a. Harness that connects power

supply to strobe head has loose

connections or damaged

harness.

b. Faulty strobe Lighthead.

c. High voltage shorting to ground

(earth) through harness.

a. GRN/BLK control wire connected

to +12VDC overrides other

modes.

a. Check all connections.

Check harness by switching harness with functioning

strobe head.

Replace harness.

b. Check with known good Lighthead.

c. Isolate shorted harness by disconnecting one at a time.

Replace harness.

a. See "Strobe Lighting Connections" section.

Reconnect switching.

Troubleshooting

All Excalibur

Strobe Lightbars are thoroughly tested prior to shipment. However, should you encounter a problem during installation

or during the life of the product, follow the guide below for information on repair and troubleshooting. Additional information may be

obtained from the factory technical help line at 314-426-2700 ext. 2131.

NO STROBE LIGHTS IN THE LIGHTBAR OPERATE - Check the following: 1) +12 VDC source connection for the control switch

box and any in line fuse 2) Connection of the RED and RED/BLK wire at the control switch box 3) Check the 15 Amp ATO fuse on

each power supply. If the fuse is blown, replace it with another 15 Amp fuse and test the lightbar. If the fuse continues to blow,

return the power supply only, NOT the entire lightbar, to the factory for service. For instructions on power supply removal see the "

Electronics Module Removal " section of this manual.

Do not replace the fuse with one of a higher rating. This will damage the power supply and void all

warranties.

WARNING!

ONE STROBE LIGHT MODULE DOES NOT OPERATE - Check the defective strobe light module by switching it with a module that

is known to be working.

SOLUTION

a. White wire on module not connected

to a +12V source.

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Code-3 Excalibur User Manual Page 20

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